Programming language · 1964
PL/I
Procedural, imperative computer programming language.
Official site ›What is PL/I written in?
The PL/I compiler is written in Assembly (documented).
Quick Facts
- Designed by
- IBM
- First released
- 1964
- Typing
- static
About PL/I
PL/I is a procedural, imperative computer programming language. It is a statically typed language. It supports imperative and procedural programming.
PL/I first appeared in 1964 and was designed by IBM.
How PL/I is implemented
In the Language Lineage dataset, its compiler is written in Assembly.
PL/I in the language family tree
PL/I drew on ideas from COBOL and Fortran.
Sources: Wikipedia · Wikidata · Official site
Frequently Asked Questions
What language is PL/I written in?
PL/I is primarily implemented in Assembly. See the implementation section above for details and source references.
What languages influenced PL/I?
PL/I was influenced by COBOL, Fortran among others. See the influence section above for the full list.
When was PL/I first released?
PL/I was first released in 1964. It was designed by IBM.